Tap water in Ludhiana can sometimes be susceptible to impurities, making it unhealthy for drinking. Luckily, there's a powerful solution: RO water purifiers.
These state-of-the-modern systems use reverse osmosis https://haimahkbk416638.wikiusnews.com/1543272/pure_h2o_in_ludhiana_a_crystal_clear_solution